linux-kernel - Re: [PATCH v3 0/7] riscv: ftrace: atmoic patching and preempt improvements

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Message-ID: <CAFTtA3NKxxh9=ZAfU1tS_4Jg0+6K3R6NWOPpRJHpPhurWKdOFw@mail.gmail.com>
Date: Wed, 11 Dec 2024 23:48:40 +0800
From: Andy Chiu <andybnac@...il.com>
To: Björn Töpel <bjorn@...nel.org>
Cc: Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Nathan Chancellor <nathan@...nel.org>, 
	Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, 
	Justin Stitt <justinstitt@...gle.com>, linux-kernel@...r.kernel.org, 
	linux-riscv@...ts.infradead.org, llvm@...ts.linux.dev, bjorn@...osinc.com, 
	puranjay12@...il.com, alexghiti@...osinc.com, yongxuan.wang@...ive.com, 
	greentime.hu@...ive.com, nick.hu@...ive.com, nylon.chen@...ive.com, 
	tommy.wu@...ive.com, eric.lin@...ive.com, viccent.chen@...ive.com, 
	zong.li@...ive.com, samuel.holland@...ive.com
Subject: Re: [PATCH v3 0/7] riscv: ftrace: atmoic patching and preempt improvements

Björn Töpel <bjorn@...nel.org> 於 2024年12月3日 週二 下午8:18寫道：
>
> Andy!
>
> "atomic" spelling in the Subject line.

Sorry, I will fix it

>
> Andy Chiu <andybnac@...il.com> writes:
>
> > Changes in v3:
> > - Add a fix tag for patch 1
> > - Add a data fence before sending out remote fence.i (6)
> > - Link to v2: https://lore.kernel.org/all/20240628-dev-andyc-dyn-ftrace-v4-v2-0-1e5f4cb1f049@sifive.com/
>
> Hmm, the fixes tag was not included.

Do you suggest adding fix tag to the entire series? Or is there any
patches that is missing the fix tag? I am not sure if this is a fix
since we defeatured PREEMPT 2 years ago.

>
> Also, there was a lot of comments from v2 that was not addressed:
>
>  * Minor spelling nits
>  * Breaking DIRECT_CALL, and include Puranjay's CALL_OPS work in the
>    same series for DIRECT_CALL, to avoid breakage.

Sorry I didn't get it at the Plumbers. Yes, I can test and merge
Puranjay's series and send a v4.

>
> I'll have a look at the barriers (which came up at plumbers)!
>
>
> Cheers,
> Björn

Thanks,
Andy